CREST Science Olympiad Class 9 Previous Year Papers

Preparing for the Class 9 Science Olympiad can feel challenging, but using previous year question papers makes a big difference. These papers give students a solid understanding of how questions are framed and what topics to focus on, making revision more targeted.

How These Papers Help

• They cover crucial topics such as Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound etc.
• They improve time management, analytical thinking, and help students handle tricky questions more confidently.
• Answer keys are included to help students review and strengthen weak areas.

Download the Science Olympiad Previous Year Paper for Class 9 (PDF) to support focused revision and help your child step into the exam feeling well-prepared and motivated.

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Syllabus:

Section 1: Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell - The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, Improvement in Food Resources.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

Sample Paper Previous Year Paper Marking Scheme Free Study Material

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Q.10

Q.1	Choose the correct option and complete the following sentence: The acceleration due to the Earth's gravity decreases, if _________. I. we go up from the surface of the Earth II. we go from the equator towards the pole III. the rotation speed of the Earth is increased IV. we go down from the surface of the Earth towards its centre
	a) I, II and III		b) I, III and IV
	c) I, II and IV		d) I, II and III and IV

Q.2	Consider the following sentences and choose the correct option: (i) The cell wall is the site of energy production in a plant cell. (ii) Lysosomes are the reservoirs of starch, oil and protein granules. (iii) A plant cell becomes turgid due to plasmolysis. (iv) Chemically plasma membrane is composed of fats and lipids. (v) The functional segments of DNA are called genes.
	a) Only (i) is correct		b) Only (iv) is correct
	c) Only (v) is correct		d) (iii), (iv) and (v) are correct

Q.3	Fill in the blank: To prevent soil erosion, a farmer plants a hedge across a field. This method works because ____________.
	a) the hedge prevents the soil from direct impact of rainwater		b) the roots of plants prevent soil erosion
	c) the hedge absorbs minerals from the soil, which makes it most compact		d) none of the above

Q.4	Hard water cannot be used in boilers. Which of the following is the reason for the same?
	a) The boiling point of hard water is high.		b) The conductivity of hard water is less.
	c) Hard water causes scales on the walls of the boilers.		d) Hard water reacts with metals used in making boilers.

Q.5	Consider the following statements: I. Areolar connective tissue is found between the skin and muscles, around blood vessels and nerves and in the bone marrow. II. Fat storing adipose tissue is found below the skin and between internal organs. Which of the statement(s) given above is/are correct?
	a) Only I		b) Only II
	c) I and II		d) None of these

Q.6	In the following question, an assertion and reason are given. Choose the correct option: Assertion: Meiosis is also known as a reduction division. Reason: Meiosis involves the formation of daughter cells with half the number of chromosomes than that of the parent cell.
	a) Both assertion and reason are true and reason is the correct explanation for the assertion		b) Both assertion and reason are true and reason is the not the correct explanation for the assertion
	c) Assertion is true and reason is false		d) Assertion is false and reason is true

Q.7	A ball falling from rest describes distance d1, d2, and d3 in the first, second and third seconds of its fall. Then the ratio of d1 : d2 : d3 is:
	a) 1 : 1 : 1		b) 1 : 3 : 5
	c) 1 : 2 : 3		d) 1 : 4 : 9

Q.8	Which of the following concepts was not considered in Rutherford's atomic model?
	a) The electrical neutrality of atom.		b) The quantization of energy.
	c) Electrons revolve around the nucleus at very high speeds.		d) Existence of nuclear forces of attraction on the electrons.

Q.9	What happens when a sound wave passes from a highly polluted region to a pollution-free area?
	a) Amplitude remains unchanged		b) Velocity remains unchanged
	c) Frequency remains unchanged		d) Wavelength remains unchanged

Q.10	Fill in the blank: Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of __________.
	a) parenchyma		b) collenchyma
	c) sclerenchyma		d) xylem and phloem

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Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -

1. CREST Science Worksheets Package for class 9 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
2. CREST Science Olympiad book for class 9 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 9 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 9.